Ex parte ANDERSON - Page 11

          Appeal No. 1997-2036                                                        
          Application No. 08/335,991                                                  

          In re Oetiker, 977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed.              
          Cir. 1992).  Furthermore, "[t]hat knowledge can not come from               
          the applicant's invention itself."  Oetiker, 977 F.2d at 1447,              
          24 USPQ2d at 1446.                                                          
               The examiner has provided no teaching, suggestion or                   
          implication from the prior art for the proposed modifications               
          of Brown.  Although Blanks includes a channel on a vent cap,                
          there is no suggestion in Blanks to move a system of channels               
          from the inside of the disk drive cover to a cap exterior to                
          the disk drive, nor to move it then to the exterior of the                  
          disk drive housing.  Further, there is no suggestion in either              
          reference to reorient the channels of Brown to be all in a                  
          plane parallel to the disk drive wall.  The examiner has                    
          merely used impermissible                                                   

          hindsight to arrive at the claimed invention.  Accordingly,                 
          the examiner has failed to establish a prima facie case of                  
          obviousness.  Therefore, we must reverse the obviousness                    
          rejection of claims 1 through 3.                                            


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